This document summarizes key aspects of memory from physiological, psychological, and improvement perspectives. It discusses the parts of the brain involved in memory formation and storage. It also outlines the stages of memory from encoding to retrieval and storage in sensory, short-term, and long-term memory. Factors that can impact memory such as aging, disease, and trauma are described. Finally, techniques for improving memory like focus, repetition, mnemonics, diet, exercise, sleep, and avoiding depression are provided.